CL1226 Constant Current LED Driver

The CL1226 Constant Current LED Driver is a compact, high-efficiency linear LED driver designed to regulate stable current for single or multiple LEDs in low-power lighting applications. This component provides excellent current consistency, long-term reliability, and simple circuit integration, making it ideal for engineers, technicians, hobbyists, and LED lighting designers. With its strong regulation capability, the CL1226 Constant Current LED Driver ensures uniform brightness, protects LEDs from overcurrent damage, and extends overall LED lifespan.

Featuring an integrated constant-current output, the device eliminates the need for complex external feedback networks. It is widely used in LED indicators, display backlighting, battery-powered devices, consumer electronics, small lamps, and DIY LED projects. Due to its wide input voltage range and low dropout characteristics, the CL1226 easily adapts to various power supply designs, including USB-powered circuits, microcontroller-based systems, and rechargeable battery modules.

The CL1226 Constant Current LED Driver offers excellent thermal stability and low noise, allowing it to perform well in compact or heat-sensitive applications. Its simple design reduces the number of external components needed, enabling efficient and cost-effective LED driving solutions in both commercial and hobby-level projects.

Key Features

• High-performance CL1226 Constant Current LED Driver for stable LED current regulation

• Ensures uniform LED brightness with minimal flicker

• Wide input voltage support for various power systems

• Low dropout design enhances efficiency in low-voltage circuits

• Integrated protection features improve LED lifespan

• Compact design suitable for portable and embedded applications

• Low noise output for sensitive lighting systems

• Requires minimal external components for easy circuit integration

Applications

The CL1226 Constant Current LED Driver is ideal for:

• LED indicators and status lights

• LCD and OLED backlighting systems

• Display panels and instrument clusters

• Flashlights and small portable lighting fixtures

• Microcontroller-based LED control systems

• Battery-operated LED devices

• Consumer electronics and home appliances

• Educational and prototyping LED circuits

Data Sheet (Technical Specifications)

• Model: CL1226

• Function: Constant current linear LED driver

• Output Current: Typically 20–30mA (model dependent)

• Input Voltage Range: 2.8V – 18V (typical)

• Dropout Voltage: Low dropout for high efficiency

• Output Type: Constant current regulation

• Power Dissipation: Low, depending on voltage drop

• Max Junction Temperature: 150°C

• Thermal Protection: Built-in thermal regulation

• Noise Performance: Low noise output

• Package Type: SOT-89 / TO-92 (variant dependent)

• Efficiency: High at low-voltage operation

• Operating Temperature: –40°C to +125°C

• Applications: LED driving, indicator circuits, display backlights

• External Components Required: Minimal (typically a limiting resistor)

Benefits

• Protects LEDs from current spikes and overdriving

• Improves LED brightness consistency and lifespan

• Very easy to integrate into LED circuits

• Reliable performance over a wide temperature range

• Suitable for professional LED drivers and DIY lighting projects

• Reduces circuit design complexity and cost

Why Choose This Model?

The CL1226 Constant Current LED Driver is the perfect choice for stable, efficient, and reliable LED control in compact and energy-conscious designs. Its constant-current regulation ensures that LEDs operate safely and consistently, even in varying supply conditions. Whether you are designing a consumer product, building a prototype, or upgrading existing LED circuits, the CL1226 offers excellent performance, simplicity, and long-term dependability.